Arnold and Libby's Curve of KnownsSource:
"The agreement between prediction and observation is seen to be satisfactory."
data.frame with 6 observations and 8 variables:
Expected age (year BP).
Measured age (year BP).
Expected specific activity (cpm/g of carbon).
Measured specific activity (cpm/g of carbon).
activity_found(cpm/g of carbon).
Arnold, J. R. and Libby, W. F. (1949). Age Determinations by Radiocarbon Content: Checks with Samples of Known Age. Science, 110(2869), 678-80. doi:10.1126/science.110.2869.678